[JAVA] 팁 모음

-------------------------입력 키 이벤트 (둘 다 볼 것)--------------------------------------------

http://stackoverflow.com/questions/9333876/how-to-simply-implement-a-keylistener

http://diyall.tistory.com/595

---------------------------------JOptionPane-------------------------------------------------------

http://wcwtmt.blog.me/10176504678

---------------------------------문자열함수(trim,equals 등등..)-------------------------------------------------------

http://sks3297.tistory.com/entry/%EC%9E%90%EB%B0%94-%EB%AC%B8%EC%9E%90%EC%97%B4-%ED%95%A8%EC%88%98

----------------------------------------형변환----------------------------------------------

http://theeye.pe.kr/archives/457

---------------------------------------JTable 사용법----------------------------------------------

http://blog.naver.com/highkrs/220584897023

http://ojava.tistory.com/15 //if(a==b) 가 안먹힐 때 ==와 equals의 차이